ES2057479T3 - Sistema optico de reproduccion de imagenes de video en colores. - Google Patents

Sistema optico de reproduccion de imagenes de video en colores.

Info

Publication number
ES2057479T3
ES2057479T3 ES90402705T ES90402705T ES2057479T3 ES 2057479 T3 ES2057479 T3 ES 2057479T3 ES 90402705 T ES90402705 T ES 90402705T ES 90402705 T ES90402705 T ES 90402705T ES 2057479 T3 ES2057479 T3 ES 2057479T3
Authority
ES
Spain
Prior art keywords
video images
optical system
modulator
colors
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES90402705T
Other languages
English (en)
Inventor
Jean-Claude Lehureau
Jean-Pierre Huignard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thomson CSF SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of ES2057479T3 publication Critical patent/ES2057479T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133621—Illuminating devices providing coloured light
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • H04N9/3108—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators by using a single electronic spatial light modulator

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal (AREA)
  • Holo Graphy (AREA)
  • Color Television Image Signal Generators (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Cameras Adapted For Combination With Other Photographic Or Optical Apparatuses (AREA)
  • Projection Apparatus (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)

Abstract

EL PRESENTE INVENTO CONCIERNE UN SISTEMA OPTICO DE REPRODUCCION DE IMAGENES VIDEO EN COLORES COMPORTANDO UNA FUENTE DE ILUMINACION (1), UN MODULADOR ELECTRO-OPTICO (3) CONSTITUIDO DE PIXELS ASOCIADOS RESPECTIVAMENTE A LOS COLORES ROJO, VERDE, AZUL Y UNOS MEDIOS OPTICOS DE COLIMACION (2) PARA ILUMINAR LA TOTALIDAD DEL MODULADOR. ESTE SISTEMA COMPORTA ADEMAS UN CONJUNTO DE LENTES HALOGRAFICAS (6), SELECTIVAS EN LONGITUD DE ONDA, QUE PERMITEN FOCALIZAR LA LUZ DE CADA COMPONENTE ROJO, VERDE O AZUL SOBRE LOS PIXELS ASOCIADOS AL MODULADOR. APLICACION A LOS VIDEOPROYECTORES Y A LA VISION DIRECTA.
ES90402705T 1989-10-03 1990-10-01 Sistema optico de reproduccion de imagenes de video en colores. Expired - Lifetime ES2057479T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8912888A FR2652656B1 (fr) 1989-10-03 1989-10-03 Systeme optique de reproduction d'images video en couleurs.

Publications (1)

Publication Number Publication Date
ES2057479T3 true ES2057479T3 (es) 1994-10-16

Family

ID=9386026

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90402705T Expired - Lifetime ES2057479T3 (es) 1989-10-03 1990-10-01 Sistema optico de reproduccion de imagenes de video en colores.

Country Status (7)

Country Link
EP (1) EP0421855B1 (es)
JP (1) JP3142556B2 (es)
AT (1) ATE109902T1 (es)
DE (1) DE69011452T2 (es)
ES (1) ES2057479T3 (es)
FR (1) FR2652656B1 (es)
WO (1) WO1991005276A1 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2707447B1 (fr) * 1993-07-09 1995-09-01 Thomson Csf Dispositif de visualisation couleurs.
US5793600A (en) * 1994-05-16 1998-08-11 Texas Instruments Incorporated Method for forming high dielectric capacitor electrode structure and semiconductor memory devices
US6392806B2 (en) * 1994-10-27 2002-05-21 Kopin Corporation Efficient illumination system for color projection displays
US6417967B1 (en) * 1994-10-27 2002-07-09 Massachusetts Institute Of Technology System and method for efficient illumination in color projection displays
US6560018B1 (en) 1994-10-27 2003-05-06 Massachusetts Institute Of Technology Illumination system for transmissive light valve displays
JP6060453B2 (ja) 2012-11-09 2017-01-18 北川工業株式会社 制振性材料
CN107329318B (zh) * 2017-05-22 2020-09-22 海信视像科技股份有限公司 一种背光模组及液晶显示装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR819199A (fr) * 1936-07-09 1937-10-12 Pierre Marie Gabriel Toulon Nouveau mode d'exploration destiné notamment à la télévision
US3716658A (en) * 1967-06-13 1973-02-13 M Rackman Liquid-crystal television display system
DE1772583A1 (de) * 1968-06-06 1971-05-13 Ibm Deutschland Verfahren zur Herstellung eines holographischen Filters zur Vielfachabbildung eines Objektes und nach diesem Verfahren hergestelltes Filter
DE1808131B2 (de) * 1968-11-09 1972-02-10 Philips Patentverwertungsgesellschaft mbH, 2000 Hamburg Verfahren zur herstellung von hologrammen die bei der rekon struktion mit einer punktfoermigen quelle bildpunkte kleiner abmessungen erzeugnen
US4082415A (en) * 1974-03-27 1978-04-04 Trw Inc. Holographic lens array and method for making the same
US4447111A (en) * 1982-02-25 1984-05-08 Grumman Aerospace Corporation Achromatic holographic element
US4722037A (en) * 1986-08-15 1988-01-26 Davis Charles S Holographic device for generating multiple beams of light
US4807978A (en) * 1987-09-10 1989-02-28 Hughes Aircraft Company Color display device and method using holographic lenses

Also Published As

Publication number Publication date
ATE109902T1 (de) 1994-08-15
JP3142556B2 (ja) 2001-03-07
WO1991005276A1 (fr) 1991-04-18
EP0421855A1 (fr) 1991-04-10
DE69011452D1 (de) 1994-09-15
DE69011452T2 (de) 1994-12-08
FR2652656B1 (fr) 1991-12-06
EP0421855B1 (fr) 1994-08-10
FR2652656A1 (fr) 1991-04-05

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